git.zerfleddert.de Git - raggedstone/blob - ethernet/source/phydcm.vhd

   1 --------------------------------------------------------------------------------
   2 -- Copyright (c) 1995-2007 Xilinx, Inc.  All rights reserved.
   3 --------------------------------------------------------------------------------
   4 --   ____  ____
   5 --  /   /\/   /
   6 -- /___/  \  /    Vendor: Xilinx
   7 -- \   \   \/     Version : 9.1.02i
   8 --  \   \         Application : xaw2vhdl
   9 --  /   /         Filename : phydcm.vhd
  10 -- /___/   /\     Timestamp : 03/21/2007 14:56:33
  11 -- \   \  /  \
  12 --  \___\/\___\
  13 --
  14 --Command: xaw2vhdl-st phydcm.xaw phydcm
  15 --Design Name: phydcm
  16 --Device: xc3s1500-fg456-4
  17 --
  18 -- Module phydcm
  19 -- Generated by Xilinx Architecture Wizard
  20 -- Written for synthesis tool: XST
  21
  22 library ieee;
  23 use ieee.std_logic_1164.ALL;
  24 use ieee.numeric_std.ALL;
  25 library UNISIM;
  26 use UNISIM.Vcomponents.ALL;
  27
  28 entity phydcm is
  29    port ( CLKIN_IN   : in    std_logic;
  30           RST_IN     : in    std_logic;
  31           CLKFX_OUT  : out   std_logic;
  32           CLK0_OUT   : out   std_logic;
  33           LOCKED_OUT : out   std_logic);
  34 end phydcm;
  35
  36 architecture BEHAVIORAL of phydcm is
  37    signal CLKFB_IN   : std_logic;
  38    signal CLKFX_BUF  : std_logic;
  39    signal CLK0_BUF   : std_logic;
  40    signal GND_BIT    : std_logic;
  41    component BUFG
  42       port ( I : in    std_logic;
  43              O : out   std_logic);
  44    end component;
  45
  46    -- Period Jitter (unit interval) for block DCM_INST = 0.06 UI
  47    -- Period Jitter (Peak-to-Peak) for block DCM_INST = 2.27 ns
  48    component DCM
  49       generic( CLK_FEEDBACK : string :=  "1X";
  50                CLKDV_DIVIDE : real :=  2.0;
  51                CLKFX_DIVIDE : integer :=  1;
  52                CLKFX_MULTIPLY : integer :=  4;
  53                CLKIN_DIVIDE_BY_2 : boolean :=  FALSE;
  54                CLKIN_PERIOD : real :=  10.0;
  55                CLKOUT_PHASE_SHIFT : string :=  "NONE";
  56                DESKEW_ADJUST : string :=  "SYSTEM_SYNCHRONOUS";
  57                DFS_FREQUENCY_MODE : string :=  "LOW";
  58                DLL_FREQUENCY_MODE : string :=  "LOW";
  59                DUTY_CYCLE_CORRECTION : boolean :=  TRUE;
  60                FACTORY_JF : bit_vector :=  x"C080";
  61                PHASE_SHIFT : integer :=  0;
  62                STARTUP_WAIT : boolean :=  FALSE;
  63                DSS_MODE : string :=  "NONE");
  64       port ( CLKIN    : in    std_logic;
  65              CLKFB    : in    std_logic;
  66              RST      : in    std_logic;
  67              PSEN     : in    std_logic;
  68              PSINCDEC : in    std_logic;
  69              PSCLK    : in    std_logic;
  70              DSSEN    : in    std_logic;
  71              CLK0     : out   std_logic;
  72              CLK90    : out   std_logic;
  73              CLK180   : out   std_logic;
  74              CLK270   : out   std_logic;
  75              CLKDV    : out   std_logic;
  76              CLK2X    : out   std_logic;
  77              CLK2X180 : out   std_logic;
  78              CLKFX    : out   std_logic;
  79              CLKFX180 : out   std_logic;
  80              STATUS   : out   std_logic_vector (7 downto 0);
  81              LOCKED   : out   std_logic;
  82              PSDONE   : out   std_logic);
  83    end component;
  84
  85 begin
  86    GND_BIT <= '0';
  87    CLK0_OUT <= CLKFB_IN;
  88    CLKFX_BUFG_INST : BUFG
  89       port map (I=>CLKFX_BUF,
  90                 O=>CLKFX_OUT);
  91
  92    CLK0_BUFG_INST : BUFG
  93       port map (I=>CLK0_BUF,
  94                 O=>CLKFB_IN);
  95
  96    DCM_INST : DCM
  97    generic map( CLK_FEEDBACK => "1X",
  98             CLKDV_DIVIDE => 2.0,
  99             CLKFX_DIVIDE => 29,
 100             CLKFX_MULTIPLY => 22,
 101             CLKIN_DIVIDE_BY_2 => FALSE,
 102             CLKIN_PERIOD => 30.303,
 103             CLKOUT_PHASE_SHIFT => "NONE",
 104             DESKEW_ADJUST => "SYSTEM_SYNCHRONOUS",
 105             DFS_FREQUENCY_MODE => "LOW",
 106             DLL_FREQUENCY_MODE => "LOW",
 107             DUTY_CYCLE_CORRECTION => TRUE,
 108             FACTORY_JF => x"8080",
 109             PHASE_SHIFT => 0,
 110             STARTUP_WAIT => FALSE)
 111       port map (CLKFB=>CLKFB_IN,
 112                 CLKIN=>CLKIN_IN,
 113                 DSSEN=>GND_BIT,
 114                 PSCLK=>GND_BIT,
 115                 PSEN=>GND_BIT,
 116                 PSINCDEC=>GND_BIT,
 117                 RST=>RST_IN,
 118                 CLKDV=>open,
 119                 CLKFX=>CLKFX_BUF,
 120                 CLKFX180=>open,
 121                 CLK0=>CLK0_BUF,
 122                 CLK2X=>open,
 123                 CLK2X180=>open,
 124                 CLK90=>open,
 125                 CLK180=>open,
 126                 CLK270=>open,
 127                 LOCKED=>LOCKED_OUT,
 128                 PSDONE=>open,
 129                 STATUS=>open);
 130
 131 end BEHAVIORAL;
 132
 133